12-15 psi sounds like the stock tune. It's almost like it switches back. Weird.

 

Just installed the Superchips tune on my HHR SS. The car feels much faster. Torque comes on strong at low revs and hits 21 psi on my car before tapering at redline. Above 5500 rpm, power drops off noticeably, but up to there the car pulls much harder than before. For an otherwise stock car, I think this tune is great. Chirping the tires from a roll at 50mph is all I need

 

I don't even think they sell 91 as premium fuel here in Michigan, I could be wrong.

All I put in mine is 93

I know that most Speedways only have like 92.. .hmm.. maybe it is 91 lol,

anyways, yeah, all I put is 93 or 94 octane in my ride.

I have a quick question

I am keeping my 09 SS/TC stock, for I am a fan of warranty ( plus it was my first stick!)

Why would anyone get this tune over the talked about Trifecta or other popular tunes?

 

Well - I have driven my Superchips for over a week, and I can say that it has IMPROVED fuel economy!

I just recently got 27.1mpg in combined driving. My commute is 35 miles one way and I have been heavy on the throttle "testing" the tune out.

I got 324 miles to my last tank.

 

I get 32.4 average since I bought the car. 25 mile mixed commute and 2-3 WOT bursts per day.

 

GIve it time it may get better.... I see 38+ on the Highway and average right around 30 give or take!

 

I have a lifetime of 21.9, this includes multiple pulls down the strip. I also live in a traffic full area. I couldn't average 25+ driving like grandma in my area.

 

Hell mine drops as i'm letting the car warm up . So even at a stop light or drive threw the MPG is going down so...... i'd imagine over a long period of time you could see a lot lower MPG avg than your really getting going down the road ......If that makes any sense to anyone besides me lol/

 

Im thinking i may try out the new trifecta tune, looks pretty rowdy and you can change from stock map to aggressive on the fly, so my motor wouldnt be exposed to rich A/F's all the time, just when its time to yank ricers.

yea the mileage on the superchips tune is kickass... makes me want to save it somehow so i can load it up for long hauls.

 

any other suggestions? i dont think its a boost leak cause if i tune it again it runs fine for awhile. this sucks. i really liked the tuned too. ever since i got the muffler delete it does tha and i am now running a code when it goes bad. p2187

 

DTC P2187: Fuel Trim System Lean at Idle

P2187 is a Type B DTC (Type B is EMISSIONS RELATED)


Conditions for Running the DTC

P2187
• DTCs P0010, P0011, P0013, P0014, P0030, P0031, P0032, P0053, P0101, P0102, P0103, P0107, P0108, P0117, P0118, P0121, P0122, P0123, P0130, P0131, P0132, P0133, P0135, P0335, P0336, P0338, P0443, P0455, P0458, P0459, P0496, P167A, P2088, P2089, P2090, P2091, P2096, P2097, P2176, P2195, P2196, P2237, P2243, P2251, P2297, P2626 are not set.

• The engine is running.

• The engine is in Closed Loop.

• The engine coolant temperature is warmer than 60°C (140°F).

• The intake air temperature is equal to or colder than 60°C (140°F).

• The commanded lambda is greater than 0.83.

• The deceleration fuel cut-off (DFCO) is not active.

• The fuel level is greater than 10 percent.

• The mass air flow is equal to or between 1.7- 7.8 g/s.

• The engine load is equal to or between 11-45 percent.

• The engine speed is equal to or between 520-1,120 RPM.

• The DTC runs continuously when the above conditions have been met for 1 second.




Conditions for Setting the DTC

P2177 or P2187
• The long term FT weighted average value is greater than a calibrated value at idle, cruise or during acceleration.

• The DTCs set when the above condition is met for 4 seconds continuously, or for 50 seconds cumulatively.

Action Taken When the DTC Sets - Type B

• The following applies to fuel trim DTCs:

- If the control module detects a fuel trim condition during 2 consecutive trips, the control module illuminates the MIL.

- If the control module detects a fuel trim condition during 2 non-consecutive trips, the stored conditions are compared with the current conditions. The control module illuminates the MIL when the following conditions occur:

• The engine load is within 20 percent of the previous test that failed.

• The engine speed is within 375 RPM of the previous test that failed.

• The engine coolant temperature is in the same range of the previous test that failed.

 

sorry im a newb and that looks like another language to me. what can i do to fix the problem?

thanks for all the help

 

to be honest..I think its the Injen Intake. If youre still within 30 days return the tuner...Its meant for stock vehicles... Between your charge pipes and intake...your LTFTs and MAF readings have gotta be so outa wack

 

i already did that. i put my stock intake back in and it still does it ill keep posted if i find anything more that this car does

 

It's telling you that the fuel trim are lean .

Data log your fuel trims with the cortex and see what they are. I usually watch fuel trim... timing ... and maf. If you clear the code with the cortex how long does it stay off?

 

FYI Im going to be selling my cortex soon, its nice but not enough oomphage

 

PM me when you do that!!

 

lean idle code is going to be a leak post MAF. Breather line or fitting on the intake. Maybe the gasket around the MAF is missing. Vac line leak somewhere or maybe your purge solenoid on top of the intake manifold is cracked or leaking. CP leak could cause a rich code or lean code depending on whether you are under pressure or vac. Could also be an oil fouled MAF as well you can try cleaning the MAF.

 

i put my injem intake in and cleaned the maf it is working pretty good right now. hasnt thrown a code or anything. this new intake with the tune shows on my interceptor guages 292 hp.

 

I threw a 2177 on a hard run.It cleared itself after new plugs and has'nt come back.It could've been a number of things,but that process fixed it is all i'm saying.

 

I got superchips and did the performance tune with increased rev limiter but my rev limiter is still 6250, whats up with this?

 

Pulled a 04 mach 1 this morning.... 2-3 cars to 90. This mild tune is still capable of breakin off some fast cars

 

i did the same with an M3 conv, we both over revved the launch but after second gear i started to pull.

 

I was messing with a friends LS1 Camaro 6/sp that is stock with 27K miles on it. I could pull up to his back bumper (not hard...but pulling ) in 2nd and 3rd when he would mash it infront of me on a single lane road........Then we both let off. We didn't get a chance for any side by side stuff but it would be a good run from a 40.

 

Hate to beat a dead horse, but well I got some results for everyone.

The new trifecta tune is the best tune I have had so far. (The dual mode.)
Its making more torque and hp (RPD verified) Sorry I don't know where any dyno shops are around here.
Also the ability to switch modes is nice too.

The SC tune was good
The HP tune was nice (To each is own)
But the new trifecta tune is simply nice. Also Vince's customer service was great.